Respuesta :

ricchad

Answer:

x = 6

Step-by-step explanation:

use Pythagorean theorem:

a² + b² = c²

where a = 2

           b = x/2  

           c = √13

plugin values into the formula:

2² + (x/2)² = (√13)²

4² + x² = 13

       4

16 + x² = 13 (4)

x² = 52 - 16

x = √36

x = 6